Degradation of aliphatic-aromatic copolyesters by bacteria that can degrade aliphatic polyesters

被引：45

作者：

Nakajima-Kambe, Toshiaki ^{[1
]}

Ichihashi, Fumie ^{[1
]}

Matsuzoe, Ryoko ^{[1
]}

Kato, Satoshi ^{[2
]}

Shintani, Noboru ^{[2
]}

机构：

[1] Univ Tsukuba, Grad Sch LIfe & Environm Sci, Tsukuba, Ibaraki 3058572, Japan

[2] Mitsubishi Chem Grp Sci & Technol Res Ctr Inc, Aoba Ku, Yokohama, Kanagawa 2278502, Japan

来源：

POLYMER DEGRADATION AND STABILITY | 2009年 / 94卷 / 11期

关键词：

Aliphatic-aromatic copolymer; Leptothrix; Biodegradable plastic; Biodegradation; ENZYMATIC-HYDROLYSIS; BIODEGRADATION;

D O I：

10.1016/j.polymdegradstab.2009.08.006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The degradation activities of bacteria that can degrade aliphatic polyesters on various aliphatic-aromatic copolyesters (PBSTIL, PBST, and Ecoflex (TM)) were investigated. Among the bacteria examined, strain TB-71 showed the best degradation activity. An HPLC analysis of the degradation products revealed that PBST55 and Ecoflex (TM) are degraded into monomers by strain TB-71. In the case of PBSTIL, an unknown peak was detected by the HPLC analysis and was considered to be derived from water-soluble oligomers containing isophthalic acid segments. This finding seemed to be attributed to the chemical structure of the aromatic segments of the copolymers. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1901 / 1905

页数：5

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